Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4LDS callsign genealogy
Currently held by Kohnle, Jason A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KC4LDS's current licensee, walking backwards.
- Kohnle, Jason ANCgranted 2020-02-07cancelled 2020-02-29
Successor callsigns
Callsigns held now by people who previously held KC4LDS.
- Robertson, Matthew GNCgranted 2017-06-03cancelled 2017-08-05
All historical holders
Every license row we've seen with the callsign KC4LDS, oldest first.
- Robertson, Matthew G NC2017-03-31 → cancelled 2017-06-03
- Kohnle, Jason A NC2020-02-29 active